RemeGen's Telitacicept (RC18) Received Orphan Drug Designation from EMA for Myasthenia Gravis
- First dual-target biologic drug for MG to receive ODD from both FDA and EMA worldwide
- Impressive Phase III results with 98.1% efficacy vs 12% placebo in MG-ADL improvement
- Secured 10 years of market exclusivity in Europe through ODD designation
- Already approved for marketing in China as of May 2025
- None.
The designation, granted based on telitacicept's significant benefits in treating the life-threatening rare disease of MG, will provide advantages to this novel agent on protocol assistance, regulatory fee reductions/waivers and up to 10 years of market exclusivity, thereby accelerating the clinical development, registration and drug approval process in
MG is an acquired antibody-mediated rare autoimmune disorder affecting the neuromuscular junction. According to the Myasthenia Gravis Foundation of America (MGFA) and various studies, its global prevalence is estimated to be 15-25 per 100,000, meeting EMA's definition of the rare disease (the prevalence of less than 5 in 10,000 in the EU). Though the current treatment options (including cholinesterase inhibitors, glucocorticoids, immunosuppressants, intravenous immunoglobulins, plasma exchange, and targeted biological agents) may help to manage symptoms, many patients still suffer from poor response, drug intolerance and disease relapse, highlighting a significant unmet clinical need.
Telitacicept is the world's first approved innovative BLyS/APRIL dual-targeting fusion protein drug for MG. The pathology of MG is characterized by the autoantibodies produced by pathological B cells attacking the neuromuscular junction protein (such as acetylcholine receptor, muscle-specific tyrosine kinase). Telitacicept can block both BLyS and APRIL signaling pathways, effectively inhibiting abnormally activated B cells and reducing the production of pathogenic autoantibodies, which is expected to interfere with the source of disease progress of MG.
Telitacicept was approved for marketing in
The ODD granted by EMA represents the recognition of telitacicept's innovative mechanism of action and potential in treating MG. RemeGen is proceeding the global multi-center phase III clinical trial of telitacicept in patients with MG to bring the breakthrough treatment option to more patients globally.
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SOURCE RemeGen Co., Ltd